拍品描述： 1980年中国莫斯科奥运纪念精铸银币20元1枚及30元2枚，包括「摔跤」「马术」及「足球」，分别评NGC Proof Details有弯，PF65 Ultra Cameo及PF64 Ultra Cameo，#6139229-059，#6139229-029及#6139229-028， 发行40000套。People s Republic of China, set of 3, consisting of 1x silver proof 20 Yuan and 2x silver proof 30 Yuan, 1980, commemorative issue for the Moscow Olympics, Wrestling , Equestrian and Football , ASW 1.8oz,graded NGC Proof Details Bent, PF65 Ultra Cameo and PF64 Ultra Cameo, #6139229-059, #6139229-029 and #6139229-028, mintage of 40000 sets. (1 set of 3)